Upload files to "8-credit-card-validator"

8-credit-card-validator/08-Credit_Card_Validator.py

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+class CreditCard:
+    def __init__(self,card_number):
+        self.card_number = card_number
+
+    
+#Create and add your method called `determine_card_type` to the CreditCard class here:
+    def determine_card_type(self):
+        # Visa must start with 4
+        #Mastercard must start with 51, 52, 53, 54 or 55    
+        #AMEX must start with 34 or 37
+        #Discover must start with 6011
+        master_card = ["51","52","53","54","55"]
+        amex_card = ["34" , "37"]
+        if self.card_number.startswith("4"):
+            return "Visa Card"
+        elif self.card_number.startswith(tuple(master_card)):
+            return "Master Card"
+        elif self.card_number.startswith(tuple(amex_card)):
+            return "Amex Card"
+        elif self.card_number.startswith("6011"):
+            return "Discover Card"
+        else:
+            return "Invalid card Number"
+
+
+
+#Create and add your method called `check_length` to the CreditCard class here:
+    def check_length(self):
+        #Visa, MC and Discover have 16 digits
+        #AMEX has 15
+        if len(self.card_number) <= 16:
+            return "Visa or Mastercard or Discover card"
+        else:
+            return "AMEX card"
+#Create and add your method called 'validate' to the CreditCard class here:
+    def validate(self):
+        reverse_number = []
+        even_number_pos = []
+        odd_number_pos = []
+        #340685143688205
+        #sum of all odd number position in String
+        for i in self.card_number[::-1]:
+            reverse_number.append(int(i))
+        #take position of all odd array position like 1 3 5 7 9 11 13 15 
+        for i in range(len(reverse_number)):
+            if i % 2 == 0:
+                odd_number_pos.append(reverse_number[i])
+            else: 
+                even_number_pos.append(reverse_number[i])
+
+        #but first multiple all of i in even_number by 2
+        even_list = [] 
+        for i in even_number_pos:
+            multi = i * 2
+            even_list.append(int(multi))
+
+        #if i in sum_even_list is greater than 10. add them
+        smaller10 = []
+        bigger10 = []
+        for i in even_list:
+            if i >= 10:
+                #split i and add them
+                for digit in str(i):
+                    bigger10.append(int(digit))
+            elif i < 10:
+                smaller10.append(int(i))
+        total_even = (sum(smaller10) + sum(bigger10))
+
+
+        total_odd = sum(odd_number_pos)
+        luhn = (total_even + total_odd) % 10 
+        if luhn == 1:
+            self.valid = True
+            return self.valid
+        else:
+            self.valid = False
+            return self.valid
+
+cc = CreditCard(card_number="4847352989263095") # 5554771809104560
+print(cc.validate())
+print(cc.determine_card_type())
+print(cc.check_length())
+